Respuesta :

Answer:

12

Step-by-step explanation:

7x+10=94

  -10    -10

7x=84

7x/7=84/7

x=12

4x-6=42

   +6  +6

4x=48

4x/4=48/4

x=12

Answer:

A- 12

Step-by-step explanation:

7(12)+10

84 +10

94

4(12)-6

48-6

42